Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a a display screen or portion thereof with graphical user interface showing my new design; and,

FIG. 2 is a front view of the display screen or portion thereof with graphical user interface, in which a mobile terminal in broken lines is provided to illustrate an example environment.

The broken line drawing of the mobile terminal, and the text/words, numbers, symbols, and otherwise images shown in broken lines in the display screen or portion thereof with graphical user interface of FIGS. 1 and 2 are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 